CN203905882U - Spherical tilt-adjusting deviation-adjusting two-stage-sealing blowout-preventing packing box - Google Patents
Spherical tilt-adjusting deviation-adjusting two-stage-sealing blowout-preventing packing box Download PDFInfo
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- CN203905882U CN203905882U CN201420343545.8U CN201420343545U CN203905882U CN 203905882 U CN203905882 U CN 203905882U CN 201420343545 U CN201420343545 U CN 201420343545U CN 203905882 U CN203905882 U CN 203905882U
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- packing
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Abstract
The utility model relates to a spherical tilt-adjusting deviation-adjusting two-stage-sealing blowout-preventing packing box and solves the technical problems that existing packing boxes for producing wells are poor in sealing effect and complex to install, blowouts can happen easily and emptying is required when packing is replaced. The packing box comprises a force-applying handspike, an upper pressing cap, an upper packing body, a four-way body, a spherical body and a lower joint which are sequentially connected, wherein the upper packing body is provided with a lower opening and an upper opening, the four-way body is provided with a lower opening and an upper opening, the upper opening of the upper packing body is connected with conical rubber packing, an upper pressing disc is arranged between the upper pressing cap and the conical rubber packing at the upper opening of the upper packing body, the upper opening of the four-way body is connected with conical rubber packing, a lower pressing disc is arranged between the lower opening of the upper packing body and the conical rubber packing at the upper opening of the four-way body, and the spherical body is connected with a lower joint pressing cap. The packing box is widely applied to the technical field of oil overflowing prevention for the producing wells.
Description
Technical field
The utility model relates to a kind of packing box, especially relates to a kind of sphere oblique adjusting tuningout two-stage sealing blowout-prevention packing box.
Background technology
In technical field of petroleum extraction, the packing box of producing well is the critical component that prevents that oil is excessive, current packing box mainly contains single packing box, double-packing box and tune core packing box, but existing these packing box ubiquity sealing effectivenesss are poor, it is complicated to install, blowout easily occurs, need the technical problem of emptying while changing packing.
Summary of the invention
The utility model for solve the packing box sealing effectiveness of existing producing well poor, install complicated, easily there is blowout, need the technical problem of emptying while changing packing, a kind of good sealing effect is provided, install simple and easy, can there is not blowout, while changing packing without the sphere oblique adjusting tuningout two-stage sealing blowout-prevention packing box of emptying.
The utility model provides a kind of sphere oblique adjusting tuningout two-stage sealing blowout-prevention packing box, comprise afterburning hand lever, upper pressing cap, upper packing body, four-way body, spherical surface body and lower contact, afterburning hand lever is connected with upper pressing cap, and upper packing body is provided with under shed and upper shed, and four-way body is provided with upper shed and under shed; The upper shed of upper packing body is connected with upper pressing cap, and the under shed of upper packing body is connected with the upper shed of four-way body, and the under shed of four-way body is connected with lower contact by spherical surface body; The upper shed of upper packing body is connected with tapered rubber packing, between the tapered rubber packing of upper shed place of upper pressing cap and upper packing body, is provided with platen; The upper shed of four-way body is connected with tapered rubber packing, between the tapered rubber packing of upper shed place of the under shed of upper packing body and four-way body, is provided with pressing disc; Spherical surface body is connected with lower contact pressure cap.
Preferably, pressing disc is provided with endoporus, and endoporus is connected with supporting positive cover; Four-way body is provided with left opening and right opening, left opening and right opening are connected with respectively and screw nut, screw nut and are connected with and screw screw rod, screw screw rod and are provided with top pressure side, top press bond has plunger body, and plunger body is connected with rubber column cock body by rubber plunger connecting pin.
The beneficial effects of the utility model are, adopt two stage conical sealing, and sealing effectiveness is better, can more effectively prevent that crude oil from leaking.Can realize bias adjusting function, while changing two groups of tapered rubber packings, because down-hole pressure is large, not need emptying, after screwing, can prevent blowout.Employing screws screw rod rotation propelling and holds out against, and can more effectively prevent blowout.
The further feature of the utility model, by the description of following detailed description of the invention, is clearly recorded.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view of A-A direction in Fig. 1;
Fig. 3 is the sectional view of B-B direction in Fig. 1;
Fig. 4 is the partial enlarged drawing at II place in Fig. 1.
Symbol description in figure:
1. afterburning hand lever, 2. go up platen, 3. upper pressing cap, 4. go up packing body O type circle, 5. tapered rubber packing, 6. go up packing body, 7. pressing disc sealing ring, 8. pressing disc, 9. supporting positive cover, 10. four-way body, 11. screw screw rod, 12. screw nut, 13. jump rings, 14. packing rings, 15. plunger bodies, 16. plunger body sealing rings, 17. rubber plunger connecting pins, 18. rubber column cock bodys, 19. lower contact pressure caps, 20. spherical surface body, 21. spherical surface body sealing rings, 22. stablize bolt, 23. lower contacts, 24. lower contact sealing rings, 25. plunger bodies are stablized pin, 26. screw nut stablizes pin.
Detailed description of the invention
As shown in Figure 1, spherical surface body 20 is connected with lower contact 23, and the under shed of four-way body 10 is connected with spherical surface body 20.Tapered rubber packing 5 is installed in the upper shed of four-way body 10, and upper packing body 6 is enclosed within on four-way body 10, and the under shed of upper packing body 6 is connected with the upper shed of four-way body 10.Upper pressing cap 3 is enclosed within on packing body 6, and upper pressing cap 3 is connected with the upper shed of upper packing body 6, and afterburning hand lever 1 is connected with upper pressing cap 3.Tapered rubber packing 5 is installed in the upper shed of upper packing body 6, and upper platen 2 is located between upper pressing cap 3 and tapered rubber packing 5, and upper platen 2 suppresses tapered rubber packing 5.The junction of upper packing body 6 and upper pressing cap 3, goes up packing body O type circle 4 is installed between the outer wall of packing body 6 and the inwall of upper pressing cap 3.
Pressing disc 8 is arranged between the tapered rubber packing 5 in the under shed of packing body 6 and the upper shed of four-way body 10.The junction of the upper shed of four-way body 10 and upper packing body 6, is provided with O RunddichtringO between the outer wall of four-way body 10 and the inwall of upper packing body 6.Between the bottom of the under shed of pressing disc 8 and upper packing body 6, be provided with pressing disc sealing ring 7.The endoporus of pressing disc 8 is provided with supporting positive cover 9.
Between spherical surface body 20 and lower contact 23, be provided with lower contact sealing ring 24, lower contact pressure cap 19 is installed in spherical surface body 20.
Two of the left and right opening part of four-way body 10 is connected with respectively and screws 12, two, nut and screw screw rod 11 and screw nut 12 and be connected with two respectively.Plunger body 15 is connected by jump ring 13 with the top pressure side that screws screw rod 11, and jump ring 13 belows are provided with packing ring 14.Rubber column cock body 18 is connected with plunger body 15 by rubber plunger connecting pin 17, between plunger body 15 and the inwall of four-way body 10, is connected with plunger body sealing ring 16.
As shown in Figure 2, the left and right opening part of four-way body 10 is respectively equipped with hole, screws nut and stablizes pin 26 and be arranged in this hole, screws nut and stablizes pin 26 and can suppress and screw nut 12.
As shown in Figure 3, the shedding shell place, left and right of four-way body 10 corresponding to plunger body 15 positions is provided with hole, and corresponding plunger body 15 is provided with groove, and plunger body is stablized pin 25 and is inserted into groove from this hole.
Shown in Fig. 4, four-way body 10 and spherical surface body 20 use spiral shell buttons connect, and stablize bolt 20 and link and connect with this spiral shell, stablize bolt 20 and can prevent that this spiral shell from buckleing and become flexible.
The tapered rubber packing 5 of installing in the upper shed of four-way body 10 forms the second sealing, passes through pressing disc 8 press seals by upper packing body 6.Tapered rubber packing 5 in the upper shed of upper packing body 6 forms the first sealing, passes through upper platen 2 press seals by upper pressing cap 3.Two groups of tapered rubber packings seal sucker rod wander up and down, can prevent that crude oil from leaking.Spherical surface body 20 is to pack tightly and fix with lower contact 23 and lower contact pressure cap 19, spherical surface body 20 has bias adjusting function, unclamp lower contact pressure cap 19 adjustable inclined tuningouts, oblique adjusting is 3-5 °, rotation spherical body 20 tuningout all around, the adjustable 13mm of maximum eccentricity of tuningout, press down after adjusting in claimed range lower contact pressure cap 19 make spherical surface body 20 and lower contact 23 tightly fixing, then allow the work of this device.Screw screw rod 11 and can make to push away in rubber column cock body 18, encase sucker rod, prevent blowout.While changing two groups of tapered rubber packings, because down-hole pressure is large, do not need emptying, after screwing, can prevent blowout.Supporting positive cover 9 is conducive to the righting of polished rod, thereby reduces polished rod wearing and tearing and resistance.
Certainly, also can append packing body 6 and tapered rubber packing 5 on one group and form three grades of sealings, can realize by that analogy more multi-stage sealed.
The above only, to preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.Every in claim limited range of the present utility model, any amendment of making, be equal to replacement, improvement etc., all should be within protection domain of the present utility model.
Claims (2)
1. a sphere oblique adjusting tuningout two-stage sealing blowout-prevention packing box, comprise afterburning hand lever, upper pressing cap, upper packing body, four-way body, spherical surface body and lower contact, it is characterized in that, described afterburning hand lever is connected with described upper pressing cap, described upper packing body is provided with under shed and upper shed, and described four-way body is provided with upper shed and under shed; The upper shed of described upper packing body is connected with described upper pressing cap, and the under shed of described upper packing body is connected with the upper shed of described four-way body, and the under shed of described four-way body is connected with described lower contact by described spherical surface body; The upper shed of described upper packing body is connected with tapered rubber packing, between the tapered rubber packing of upper shed place of described upper pressing cap and described upper packing body, is provided with platen; The upper shed of described four-way body is connected with tapered rubber packing, between the tapered rubber packing of upper shed place of the under shed of described upper packing body and described four-way body, is provided with pressing disc; Described spherical surface body is connected with lower contact pressure cap.
2. sphere oblique adjusting tuningout two-stage sealing blowout-prevention packing box according to claim 1, is characterized in that, described pressing disc is provided with endoporus, and described endoporus is connected with supporting positive cover; Described four-way body is provided with left opening and right opening, described left opening and described right opening are connected with respectively and screw nut, the described nut that screws is connected with and screws screw rod, the described screw rod that screws is provided with top pressure side, described top press bond has plunger body, and described plunger body is connected with rubber column cock body by rubber plunger connecting pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420343545.8U CN203905882U (en) | 2014-06-19 | 2014-06-19 | Spherical tilt-adjusting deviation-adjusting two-stage-sealing blowout-preventing packing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420343545.8U CN203905882U (en) | 2014-06-19 | 2014-06-19 | Spherical tilt-adjusting deviation-adjusting two-stage-sealing blowout-preventing packing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203905882U true CN203905882U (en) | 2014-10-29 |
Family
ID=51780171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420343545.8U Expired - Fee Related CN203905882U (en) | 2014-06-19 | 2014-06-19 | Spherical tilt-adjusting deviation-adjusting two-stage-sealing blowout-preventing packing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203905882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829703A (en) * | 2017-12-04 | 2018-03-23 | 陕西华耀石油设备工程有限公司 | A kind of multifunctional oil wellhead |
-
2014
- 2014-06-19 CN CN201420343545.8U patent/CN203905882U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829703A (en) * | 2017-12-04 | 2018-03-23 | 陕西华耀石油设备工程有限公司 | A kind of multifunctional oil wellhead |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fan Licheng Inventor after: Chen Hui Inventor before: Fan Licheng |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: FAN LICHENG TO: FAN LICHENG CHEN HUI |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20160619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |